SquirrelInHell comments on Geometric Bayesian Update - Less Wrong Discussion
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Comments (9)
You are forgetting that it makes it possible to keep the scale of all numerical input/outputs consistent.
Point taken. (I personally prefer odds ratios strongly enough for this kind of thing that keeping the scale consistent doesn't bother me.) You could fix that, kinda, by fixing the side lengths of the "prior" and "posterior" side while allowing the length of the "evidence" side to vary, but that means introducing extra not-so-visible constraints so maybe it's a bit of a cheat.